考虑椭圆度缺陷的盾构管片结构极限承载性能研究

王震,丁智,张霄,周奇辉,张成全

Ultimate bearing capacity of shield segment structures considering ovality imperfection

Zhen WANG,Zhi DING,Xiao ZHANG,Qi-hui ZHOU,Cheng-quan ZHANG

表 2 有限元模型和试验模型的极限位移比较

Tab.2 Comparison of limit displacements between finite element model and test model

土体 $ \lambda $ k /(MN·m−3) Δ /mm 有限元模型 试验模型 极软黏土 0.7 1.0 128.0 80.0~120.0 软黏土 0.6 2.5 95.0 中硬黏土 0.5 5.0 67.0